If you happened to blink for a really long time towards the end of the trailer and didn’t catch the launch date, it is December 29, 2017. Just in time to binge watch on your holiday break.
IMDb has the episode count at six for season 4. Below is some episode information.
Cast: Rosemarie Dewitt (La La Land, Mad Men), Brenna Harding (A Place to Call Home), Owen Teague (Bloodline)
Director: Jodie Foster
Written by: Charlie Brooker
Cast: Jesse Plemons (Black Mass, Fargo), Cristin Milioti (The Wolf of Wall Street, Fargo), Jimmi Simpson (Westworld, House of Cards), Michaela Coel (Chewing Gum, Monsters: Dark Continent)
Director: Toby Haynes (Dr Who, Sherlock